Diesel engine air start system check valves...

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Question 1 of 205eccefa3bacbc34ba4d47d54

Diesel engine air start system check valves are opened by __________.

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5eccefa3bacbc34ba4d47d54

Diesel engine air start system check valves are opened by __________.

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🔍 Key Concepts

• Purpose of an air start system check valve in a diesel engine • What actually causes a one-way check valve to open in a pressurized system • Difference between mechanically operated valves (cams, springs) and pressure-operated valves

💭 Think About

• Think about whether a check valve in an air start line is normally moved by a rotating part of the engine, or by a pressure difference across the valve disc or poppet. • Consider what condition must exist for air to flow from the starting air manifold into the cylinder but not back the other way. • Ask yourself: does compression inside the cylinder help open the valve, or does it tend to oppose the incoming air?

✅ Before You Answer

• Verify that a check valve is designed to allow flow in only one direction, usually by a pressure differential. • Confirm whether an air start cam usually operates the starting air valve on the cylinder head, not the check valve in the line. • Make sure you can distinguish between a return spring that closes a valve and the force that initially opens it.

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Question 1 of 205eccefa3bacbc34ba4d47d54

Diesel engine air start system check valves are opened by __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47d54

Diesel engine air start system check valves are opened by __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

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